131130330 has 32 divisors (see below), whose sum is σ = 317775744. Its totient is φ = 34627776.

The previous prime is 131130317. The next prime is 131130347. The reversal of 131130330 is 33031131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18129 + ... + 24308.

It is an arithmetic number, because the mean of its divisors is an integer number (9930492).

Almost surely, 2^131130330 is an apocalyptic number.

131130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131130330 is an abundant number, since it is smaller than the sum of its proper divisors (186645414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131130330 is a wasteful number, since it uses less digits than its factorization.

131130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42550.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 131130330 is about 11451.2152193555. The cubic root of 131130330 is about 508.0436779152.

Adding to 131130330 its reverse (33031131), we get a palindrome (164161461).

The spelling of 131130330 in words is "one hundred thirty-one million, one hundred thirty thousand, three hundred thirty".